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Senior Water & Wastewater Project Manager
Consor Engineers
Brentwood, TN · Knoxville, TN · Chattanooga, TN
…allow you to apply your technical skills to develop creative solutions and refine your leadership abilities. You will work with talented professionals in an open, flexible, and friendly…
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Roadway Design Engineer
Consor Engineers
Brentwood, TN · Knoxville, TN · Chattanooga, TN
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Transportation Planning and Design Area Principal - Tennessee
Consor Engineers
Knoxville, TN · Chattanooga, TN
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Senior Project Engineer - CEI
Consor Engineers
Tampa, FL · Wesley Chapel, FL · Venice, FL · Miami, FL
…live and work alongside client partners, providing thoughtful solutions to create inspiring communities together. Click here to learn more about…
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Senior Construction Project Engineering Manager
Consor Engineers
Jacksonville, FL · Gainesville, FL · Ocala, FL · Orange Park, FL · Palatka, FL · Winter Springs, FL
…Environmental, or a related engineering discipline.• Professional Engineer (PE) license.• Minimum ten years of construction inspection experience.• Ability to read and interpret…
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Working knowledge of data governance, lineage, quality, and observability practices supporting AI-enabled solutions.
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Hardware Engineer
TEKsystems
Waltham, MA
- $100,000 to $125,000 USD / year
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HL7 FHIR Data Engineer (W2 ONLY)
TEKsystems
Phoenix, AZ
- $41 to $49 USD / hour
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Added 1 min ago
Supervisor Engineering
Williams WPC-I, LLC.
United States
Supervises the utilization of computer modeling and data analysis tools to aid in the evaluation, justification, and development of solutions to problems and/or opportunities
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Senior Oracle DBE (Development & Administration)
Columbia Technology Partners
Annapolis Junction, MD
- $160,000 to $200,000 USD / year
Columbia Technology Partners is seeking a Senior Oracle Database Engineer to support the development, troubleshooting, optimization, and sustainment of enterprise-scale Oracle database…
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Co-Op Civil/Environmental Engineer (Summer 2027)
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- $22 to $26 USD / hour
…professionals, who work together to develop innovative, cost-effective solutions for our clients. Since our founding in 1899, Weston & Sampson’s mission has been to protect, improve, and…
Added 1 min ago
Reliability & Methods Engineer
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Using asset-performance data, risk assessments, failure investigations, predictive technologies, and maintenance history, this role identifies systemic issues and implements sustainable…
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AI/ML Platform Engineer
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Reliability & Methods Engineer
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Added 2 mins ago
M365 Engineer (CW)
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Sr. Cloud Applications Engineer
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- $130,000 to $155,000 USD / year
The Sr. Cloud Applications Engineer will lead the design, development, integration, and support of Azure-hosted applications and enterprise cloud services. The role is central to AAD’s…
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Fiber Engineer
Zayo
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Zayo is seeking a Fiber Engineer to be responsible for the solution and design of physical fiber paths across the Zayo network in support of providing fiber-based services. Projects may…
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Avionics Engineer (BT-26219)
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Houston, TX
The Avionics Engineer will support the space program located in Houston, Texas (77058).
Added 2 mins ago
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Implementation Engineer - Contract
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Remote, United States
- $40 to $50 USD / hour
The Implementation Engineer (Integrations) designs, builds, and supports IVR and API integrations for enterprise contact center environments. This role works directly with customers to…
Added 3 mins ago
Production Operator I
Opta Group
Warren, OH
INNOVATION: We continually seek smarter, more effective and innovative ways to deliver solutions, blending creativity, data-driven insight and practical application.
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EO/IR Remote Sensing Modeling & Simulation Engineer
The Aerospace Corporation
Chantilly, VA · Wright-Patterson AFB, OH
…engaged across all aspects of space - delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our…
Added 4 mins ago
Backend Software Engineer
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Remote, United States
Profile: This is a senior backend individual contributor role. The team seeks a technically strong backend engineer who can design solutions and provide hands-on support.
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Machine Learning Engineer, Wallet Intelligence and Machine Learning
Apple
Austin, TX · New York City, NY
We are looking for a Machine Learning Engineer to help develop and launch on-device technologies that keep our users safe, working closely with engineering, security, program management,…
Added 4 mins ago
Senior Sales Engineer - Southeast
Proofpoint, Inc.
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Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the…
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Manufacturing Engineer lI
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Provides solutions to a variety of technical problems of moderate scope and complexity. Leads continuous improvement initiatives/projects with a cross-functional team in manufacturing. Form…

Duolingo

Staff Security Engineer

NY, United States

$204,000 - $306,000 USD

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Job details

Pay: $204,000 - $306,000 USD
Posting language: English
Posted: Nov 9, 2026

Original job description

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!

At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes - while doing work that’s both fun and meaningful.

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.

About the role

As a Staff Security Engineer, you will shape and deliver Duolingo’s security strategy, safeguarding our learners, employees, systems, and services. You’ll identify the highest-impact security problems, lead complex initiatives from proposal through production, and build durable security capabilities across our applications and cloud infrastructure. Working across Engineering, Product, Legal, Finance, and IT, you’ll make practical risk decisions, establish secure-by-default patterns, and help teams ship safely at scale. This role is based in New York City. We know great candidates bring different combinations of experience. If you meet some or most of the qualifications below, we encourage you to apply!

:brain: You will...

Set technical direction for security across Duolingo’s applications, cloud infrastructure, and engineering systems.
Lead complex, multi-team security initiatives from problem definition and design through implementation, measurement, and ongoing ownership.
Design and build scalable security services, controls, and automation that prevent, detect, and remediate risks with minimal manual effort.
Partner with engineering teams to threat model systems, review architecture and code, prioritize risks, and deliver practical mitigations.
Strengthen security across the software-development lifecycle, including secrets management, dependency security, vulnerability management, and CI/CD controls.
Evaluate Duolingo’s security posture, use evidence to identify the highest-impact investments, and define measurable outcomes for security programs.
Lead technical response to significant security incidents and translate lessons learned into lasting improvements.
Establish reusable secure-by-default patterns for cloud and application infrastructure, including infrastructure as code.
Communicate technical risks, tradeoffs, and recommendations clearly to engineering teams and company leaders.
Mentor engineers, scale security knowledge through documentation and guidance, and raise the technical bar across Engineering.

:check: You have...

A track record of leading large, complex security engineering initiatives across multiple teams from proposal through production.
Deep experience in at least two of the following areas: application security, product security, cloud security, infrastructure security, detection and response, or security automation.
Strong software-engineering skills in one or more programming or scripting languages and experience building reliable production systems or internal platforms.
Experience securing cloud environments and designing controls for identity, networking, data protection, secrets, logging, and workload security.
Experience applying threat modeling, architecture review, code review, and vulnerability analysis to real-world systems.
Experience using infrastructure as code and CI/CD to deliver repeatable, testable, and secure configurations.
Sound judgment in balancing security risk, engineering effort, product needs, and business priorities.
Clear written and verbal communication skills, including the ability to influence stakeholders with different technical backgrounds.
The ability to work from or relocate to New York City.

:star: Exceptional candidates will have...

Experience building a security program or technical capability from an early stage and scaling it across an engineering organization.
Experience securing large, multi-account or multi-cloud environments, particularly AWS and GCP.
Experience creating security platforms or paved-road patterns adopted broadly by engineers.
Experience leading high-severity incident response and driving durable improvements afterward.
Experience applying AI-assisted tooling to security analysis, remediation, or control validation.

The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!

Salary Range:

$204,000 - $306,000 USD

Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.

Job Alerts: Sign up for job alerts here.

Accommodations: We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact accommodations@duolingo.com.

Equal Employment Opportunity: Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

Fraud Warning: Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information.

By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.

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